+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNAT RUN-TIME COMPONENTS --
--- --
--- S Y S T E M --
--- --
--- S p e c --
--- (GNU-Linux/PPC64 Version) --
--- --
--- Copyright (C) 1992-2007, Free Software Foundation, Inc. --
--- --
--- This specification is derived from the Ada Reference Manual for use with --
--- GNAT. The copyright notice above, and the license provisions that follow --
--- apply solely to the contents of the part following the private keyword. --
--- --
--- GNAT is free software; you can redistribute it and/or modify it under --
--- terms of the GNU General Public License as published by the Free Soft- --
--- ware Foundation; either version 2, or (at your option) any later ver- --
--- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
--- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
--- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
--- for more details. You should have received a copy of the GNU General --
--- Public License distributed with GNAT; see file COPYING. If not, write --
--- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
--- Boston, MA 02110-1301, USA. --
--- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
--- --
--- GNAT was originally developed by the GNAT team at New York University. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
-package System is
- pragma Pure;
- -- Note that we take advantage of the implementation permission to make
- -- this unit Pure instead of Preelaborable; see RM 13.7.1(15). In Ada
- -- 2005, this is Pure in any case (AI-362).
-
- type Name is (SYSTEM_NAME_GNAT);
- System_Name : constant Name := SYSTEM_NAME_GNAT;
-
- -- System-Dependent Named Numbers
-
- Min_Int : constant := Long_Long_Integer'First;
- Max_Int : constant := Long_Long_Integer'Last;
-
- Max_Binary_Modulus : constant := 2 ** Long_Long_Integer'Size;
- Max_Nonbinary_Modulus : constant := 2 ** Integer'Size - 1;
-
- Max_Base_Digits : constant := Long_Long_Float'Digits;
- Max_Digits : constant := Long_Long_Float'Digits;
-
- Max_Mantissa : constant := 63;
- Fine_Delta : constant := 2.0 ** (-Max_Mantissa);
-
- Tick : constant := 0.000_001;
-
- -- Storage-related Declarations
-
- type Address is private;
- pragma Preelaborable_Initialization (Address);
- Null_Address : constant Address;
-
- Storage_Unit : constant := 8;
- Word_Size : constant := 64;
- Memory_Size : constant := 2 ** 64;
-
- -- Address comparison
-
- function "<" (Left, Right : Address) return Boolean;
- function "<=" (Left, Right : Address) return Boolean;
- function ">" (Left, Right : Address) return Boolean;
- function ">=" (Left, Right : Address) return Boolean;
- function "=" (Left, Right : Address) return Boolean;
-
- pragma Import (Intrinsic, "<");
- pragma Import (Intrinsic, "<=");
- pragma Import (Intrinsic, ">");
- pragma Import (Intrinsic, ">=");
- pragma Import (Intrinsic, "=");
-
- -- Other System-Dependent Declarations
-
- type Bit_Order is (High_Order_First, Low_Order_First);
- Default_Bit_Order : constant Bit_Order := High_Order_First;
- pragma Warnings (Off, Default_Bit_Order); -- kill constant condition warning
-
- -- Priority-related Declarations (RM D.1)
-
- -- 0 .. 98 corresponds to the system priority range 1 .. 99.
- --
- -- If the scheduling policy is SCHED_FIFO or SCHED_RR the runtime makes use
- -- of the entire range provided by the system.
- --
- -- If the scheduling policy is SCHED_OTHER the only valid system priority
- -- is 1 and other values are simply ignored.
-
- Max_Priority : constant Positive := 97;
- Max_Interrupt_Priority : constant Positive := 98;
-
- subtype Any_Priority is Integer range 0 .. 98;
- subtype Priority is Any_Priority range 0 .. 97;
- subtype Interrupt_Priority is Any_Priority range 98 .. 98;
-
- Default_Priority : constant Priority := 48;
-
-private
-
- type Address is mod Memory_Size;
- Null_Address : constant Address := 0;
-
- --------------------------------------
- -- System Implementation Parameters --
- --------------------------------------
-
- -- These parameters provide information about the target that is used
- -- by the compiler. They are in the private part of System, where they
- -- can be accessed using the special circuitry in the Targparm unit
- -- whose source should be consulted for more detailed descriptions
- -- of the individual switch values.
-
- Backend_Divide_Checks : constant Boolean := False;
- Backend_Overflow_Checks : constant Boolean := False;
- Command_Line_Args : constant Boolean := True;
- Configurable_Run_Time : constant Boolean := False;
- Denorm : constant Boolean := True;
- Duration_32_Bits : constant Boolean := False;
- Exit_Status_Supported : constant Boolean := True;
- Fractional_Fixed_Ops : constant Boolean := False;
- Frontend_Layout : constant Boolean := False;
- Machine_Overflows : constant Boolean := False;
- Machine_Rounds : constant Boolean := True;
- Preallocated_Stacks : constant Boolean := False;
- Signed_Zeros : constant Boolean := True;
- Stack_Check_Default : constant Boolean := False;
- Stack_Check_Probes : constant Boolean := False;
- Support_64_Bit_Divides : constant Boolean := True;
- Support_Aggregates : constant Boolean := True;
- Support_Composite_Assign : constant Boolean := True;
- Support_Composite_Compare : constant Boolean := True;
- Support_Long_Shifts : constant Boolean := True;
- Suppress_Standard_Library : constant Boolean := False;
- Use_Ada_Main_Program_Name : constant Boolean := False;
- ZCX_By_Default : constant Boolean := True;
- GCC_ZCX_Support : constant Boolean := True;
-
-end System;
projects / thirdparty / gcc.git / commitdiff
